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STN - Slovak standards
Page 2837
STN EN IEC 61557-7:2023/A1 (01/01/2024) Change
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 7: Phase sequence
Available languages: English
Available design: Print design
STN EN 61557-8 (01/01/2017)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 8: Insulation monitoring devices for IT systems
Available languages: Slovak
Available design: Print design
STN EN 61557-9 (01/04/2017)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 9: Equipment for insulation fault location in IT systems
Available languages: Slovak
Available design: Print design
STN EN IEC 61557-9 (01/07/2025)
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systems
Available languages: English
Available design: Print design
STN EN 61557-9:2017/OpravaAC (01/06/2017) Correction
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 9: Equipment for insulation fault location in IT systems
Available languages: English
Available design: Print design
STN EN IEC 61557-10 (01/11/2025)
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Part 10: Combined measuring equipment for testing, measuring and monitoring of protective measures
Available languages: Slovak
Available design: Print design
STN EN 61557-10 (01/02/2014)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Part 10: Combined measuring equipment for testing, measuring or monitoring of protective measures
Available languages: Slovak
Available design: Print design
STN EN IEC 61557-11 (01/08/2022)
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 11: Effectiveness of residual current monitors (RCM) in TT, TN and IT systems
Available languages: English
Available design: Print design
STN EN 61557-12 (01/03/2009)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. quipment for testing, measuring or monitoring of protective measures. Part 12: Performance measuring and monitoring devices (PMD)
Available languages: Slovak
Available design: Print design
STN EN IEC 61557-12 (01/04/2022)
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 12: Power metering and monitoring devices (PMD)
Available languages: English
Available design: Print design
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